Agent-to-Agent (A2A) Protocols Enable agents to discover, communicate, and collaborate across frameworks and systems. The Interoperability Challenge Different agent frameworks: - LangChain/LangGraph - AutoGen - CrewAI - Custom implementations Problem : They can't talk to each other natively. Solution : Standard protocols for agent communication. Protocol Landscape (2026) | Protocol | Purpose | Adoption | |----------|---------|----------| | MCP (Model Context Protocol) | Tool/resource sharing | High (Anthropic-backed) | | A2A (Agent-to-Agent) | Agent coordination | Growing | | OpenAI Agents Pr…